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/* $Id$ */
/*
* Copyright (C) 2003-2006 Benny Prijono <benny@prijono.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __PJMEDIA_WAVE_H__
#define __PJMEDIA_WAVE_H__
/**
* @file wave.h
* @brief WAVE file manipulation.
*/
#include <pjmedia/types.h>
PJ_BEGIN_DECL
#define PJMEDIA_RIFF_TAG ('F'<<24|'F'<<16|'I'<<8|'R')
#define PJMEDIA_WAVE_TAG ('E'<<24|'V'<<16|'A'<<8|'W')
#define PJMEDIA_FMT_TAG (' '<<24|'t'<<16|'m'<<8|'f')
/**
* This file describes the simpler/canonical version of a WAVE file.
* It does not support the full RIFF format specification.
*/
struct pjmedia_wave_hdr
{
struct {
pj_uint32_t riff;
pj_uint32_t file_len;
pj_uint32_t wave;
} riff_hdr;
struct {
pj_uint32_t fmt;
pj_uint32_t len;
pj_uint16_t fmt_tag;
pj_uint16_t nchan;
pj_uint32_t sample_rate;
pj_uint32_t bytes_per_sec;
pj_uint16_t block_align;
pj_uint16_t bits_per_sample;
} fmt_hdr;
struct {
pj_uint32_t data;
pj_uint32_t len;
} data_hdr;
};
/**
* @see pjmedia_wave_hdr
*/
typedef struct pjmedia_wave_hdr pjmedia_wave_hdr;
PJ_END_DECL
#endif /* __PJMEDIA_WAVE_H__ */
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